Traffic lights for catalysis: Stimuli‐responsive molecular and extended catalytic systems

GC Thaggard, J Haimerl, RA Fischer… - Angewandte Chemie …, 2023 - Wiley Online Library
The advances made in the field of stimuli‐responsive catalysis during the last five years with
a focus on the novel recently‐emerged directions and applications have been surveyed …

Azobenzene-based photoswitchable catalysts: State of the art and perspectives

R Liu, X Zhang, F Xia, Y Dai - Journal of Catalysis, 2022 - Elsevier
Photoswitchable catalysts are becoming attractive materials for catalytic applications
because of their favorable characteristics, such as customizable catalytic activity and …

Photoswitchable Enantioselective and Helix‐Sense Controlled Living Polymerization

L Zhou, K He, SM Kang, XY Zhou, H Zou… - Angewandte Chemie …, 2023 - Wiley Online Library
A pair of enantiomeric photoswitchable PdII catalysts, alkyne‐PdII/LR− azo and alkyne‐
PdII/LS− azo, were prepared via the coordination of alkyne‐PdII and azobenzene‐modified …

Cyclic (Alkyl)(amino) carbenes: synthesis of iminium precursors and structural properties

F Vermersch, L Oliveira, J Hunter… - The Journal of …, 2022 - ACS Publications
Using readily available preallylated aldehydes, we report a simple and divergent synthesis
of cyclic (alkyl)(amino) carbene (CAAC) iminium precursors. Using a combination of …

Pursuing the Complete OFF State in Photoswitchable Catalysis

M Kravets, M Flaibani, M Szewczyk, P Posocco… - ACS …, 2023 - ACS Publications
Practically, all photoswitchable catalysts exhibit residual activity in the OFF state. Herein, we
present a ruthenium initiator with a built-in photoswitch whose metathetical performance is …

Tungsten Oxo and Tungsten Imido Alkylidene N-Heterocyclic Carbene Complexes for the Visible-Light-Induced Ring-Opening Metathesis Polymerization of …

JV Musso, P Gebel, V Gramm, W Frey… - …, 2023 - ACS Publications
A system for the visible-light-controlled ring-opening metathesis polymerization (ROMP) of
endo, endo-dicyclopentadiene (DCPD) was developed by combining thermally latent group …

Adaptive Catalysts for the Selective Hydrogenation of Bicyclic Heteroaromatics using Ruthenium Nanoparticles on a CO2‐Responsive Support

Y Zhang, S El Sayed, L Kang, M Sanger… - Angewandte Chemie …, 2023 - Wiley Online Library
Ruthenium nanoparticles (NPs) immobilized on an amine‐functionalized polymer‐grafted
silica support act as adaptive catalysts for the hydrogenation of bicyclic heteroaromatics …

Azobenzene-Integrated NHC Ligands: A Versatile Platform for Visible-Light-Switchable Metal Catalysis

M Rölz, B Butschke, B Breit - Journal of the American Chemical …, 2024 - ACS Publications
A new class of photoswitchable NHC ligands, named azImBA, has been developed by
integrating azobenzene into a previously unreported imidazobenzoxazol-1-ylidene …

PhotoROMP: The Future Is Bright

AJ Greenlee, RA Weitekamp, JC Foster… - ACS …, 2024 - ACS Publications
Since the earliest investigations of olefin metathesis catalysis, light has been the choice for
controlling the catalyst activity on demand. From the perspective of energy efficiency …

Computational Elucidation on the Conformational Control of Selectivity in Intramolecular Ring-Closing Metathesis vs Intermolecular Homometathesis

F Zhao, Y Li, KN Houk, Q Lu, F Liu - The Journal of Organic …, 2023 - ACS Publications
The ring-closing metathesis reaction of diene plays an important role in the construction of
cyclic compounds. In this research, density functional theory (DFT) calculations were …